1-13r+0.8=3.1

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Solution for 1-13r+0.8=3.1 equation: 



1-13r+0.8=3.1

We move all terms to the left:

1-13r+0.8-(3.1)=0

We add all the numbers together, and all the variables

-13r-1.3=0

We move all terms containing r to the left, all other terms to the right

-13r=1.3

r=1.3/-13

r=-1/10

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